Edited by Heriberto Ávila-González, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Northcut, some rights reserved (CC BY), uploaded by Northcut
- 2. (c) Nathan Taylor, some rights reserved (CC BY-NC), uploaded by Nathan Taylor
- 3. (c) Pedro Nájera Quezada, some rights reserved (CC BY-NC), uploaded by Pedro Nájera Quezada
- 4. (c) Ma. Eugenia Mendiola González, some rights reserved (CC BY-SA), uploaded by Ma. Eugenia Mendiola González
- 5. (c) James Bailey, some rights reserved (CC BY-NC), uploaded by James Bailey
- 6. (c) Kevin Brizuela, some rights reserved (CC BY-NC), uploaded by Kevin Brizuela
- 7. (c) Neptalí Ramírez Marcial, some rights reserved (CC BY), uploaded by Neptalí Ramírez Marcial
- 8. (c) Juan Carlos López Domínguez, some rights reserved (CC BY-NC), uploaded by Juan Carlos López Domínguez
- 9. (c) José Belem Hernández Díaz, some rights reserved (CC BY), uploaded by José Belem Hernández Díaz
- 10. (c) ELOYJIMENEZ13, some rights reserved (CC BY-SA), uploaded by ELOYJIMENEZ13
- 11. (c) Rob Palmer, some rights reserved (CC BY-NC-SA), uploaded by Rob Palmer
- 12. (c) Dra. Laura Elvia Uribe Lara, some rights reserved (CC BY-NC), uploaded by Dra. Laura Elvia Uribe Lara
- 13. (c) Mike Lusk, some rights reserved (CC BY-NC), uploaded by Mike Lusk
- 14. (c) c michael hogan, some rights reserved (CC BY-NC-SA), uploaded by c michael hogan
- 15. (c) Bodo Nuñez Oberg, some rights reserved (CC BY-NC), uploaded by Bodo Nuñez Oberg
- 16. (c) Steve Jones, some rights reserved (CC BY-NC), uploaded by Steve Jones
- 17. (c) Carlos G Velazco-Macias, some rights reserved (CC BY-NC), uploaded by Carlos G Velazco-Macias
- 18. (c) Diego, some rights reserved (CC BY-NC), uploaded by Diego
- 19. (c) Mauricio Mercadante, some rights reserved (CC BY-NC-SA)
